brcm47xx: add initial support for devices with bcma bus.

Ethernet and wifi are not working and this is highly experimental.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27301 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 46 insertions, 142 deletions

diff --git a/package/broadcom-diag/src/diag.c b/package/broadcom-diag/src/diag.c
index 00a72e907..8e7ffa6cc 100644
--- a/package/broadcom-diag/src/diag.c
+++ b/package/broadcom-diag/src/diag.c
@@ -149,9 +149,9 @@ static void __init bcm4780_init(void) {
 
 		/* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 		printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
-		gpio_outen(pin, pin);
-		gpio_control(pin, 0);
-		gpio_out(pin, pin);
+		ssb_gpio_outen(&ssb_bcm47xx, pin, pin);
+		ssb_gpio_control(&ssb_bcm47xx, pin, 0);
+		ssb_gpio_out(&ssb_bcm47xx, pin, pin);
 
 		/* Wait 5s, so the HDD can spin up */
 		set_current_state(TASK_INTERRUPTIBLE);
@@ -161,14 +161,14 @@ static void __init bcm4780_init(void) {
 static void __init NetCenter_init(void) {
 		/* unset pin 6 (+12V) */
 		int pin = 1 << 6;
-		gpio_outen(pin, pin);
-		gpio_control(pin, 0);
-		gpio_out(pin, pin);
+		ssb_gpio_outen(&ssb_bcm47xx, pin, pin);
+		ssb_gpio_control(&ssb_bcm47xx, pin, 0);
+		ssb_gpio_out(&ssb_bcm47xx, pin, pin);
 		/* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 		pin = 1 << 1;
-		gpio_outen(pin, pin);
-		gpio_control(pin, 0);
-		gpio_out(pin, pin);
+		ssb_gpio_outen(&ssb_bcm47xx, pin, pin);
+		ssb_gpio_control(&ssb_bcm47xx, pin, 0);
+		ssb_gpio_out(&ssb_bcm47xx, pin, pin);
 		/* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 		bcm4780_init();
 }
@@ -177,9 +177,9 @@ static void __init bcm57xx_init(void) {
 	int pin = 1 << 2;
 
 	/* FIXME: switch comes up, but port mappings/vlans not right */
-	gpio_outen(pin, pin);
-	gpio_control(pin, 0);
-	gpio_out(pin, pin);
+	ssb_gpio_outen(&ssb_bcm47xx, pin, pin);
+	ssb_gpio_control(&ssb_bcm47xx, pin, 0);
+	ssb_gpio_out(&ssb_bcm47xx, pin, pin);
 }
 
 static struct platform_t __initdata platforms[] = {
@@ -1166,18 +1166,18 @@ static void register_buttons(struct button_t *b)
 
 	platform.button_mask &= ~gpiomask;
 
-	gpio_outen(platform.button_mask, 0);
-	gpio_control(platform.button_mask, 0);
-	platform.button_polarity = gpio_in() & platform.button_mask;
-	gpio_intpolarity(platform.button_mask, platform.button_polarity);
-	gpio_setintmask(platform.button_mask, platform.button_mask);
+	ssb_gpio_outen(&ssb_bcm47xx, platform.button_mask, 0);
+	ssb_gpio_control(&ssb_bcm47xx, platform.button_mask, 0);
+	platform.button_polarity = ssb_gpio_in(&ssb_bcm47xx, ~0) & platform.button_mask;
+	ssb_gpio_polarity(&ssb_bcm47xx, platform.button_mask, platform.button_polarity);
+	ssb_gpio_intmask(&ssb_bcm47xx, platform.button_mask, platform.button_mask);
 
 	gpio_set_irqenable(1, button_handler);
 }
 
 static void unregister_buttons(struct button_t *b)
 {
-	gpio_setintmask(platform.button_mask, 0);
+	ssb_gpio_intmask(&ssb_bcm47xx, platform.button_mask, 0);
 
 	gpio_set_irqenable(0, button_handler);
 }
@@ -1237,12 +1237,12 @@ static irqreturn_t button_handler(int irq, void *dev_id)
 	struct button_t *b;
 	u32 in, changed;
 
-	in = gpio_in() & platform.button_mask;
-	gpio_intpolarity(platform.button_mask, in);
+	in = ssb_gpio_in(&ssb_bcm47xx, ~0) & platform.button_mask;
+	ssb_gpio_polarity(&ssb_bcm47xx, platform.button_mask, in);
 	changed = platform.button_polarity ^ in;
 	platform.button_polarity = in;
 
-	changed &= ~gpio_outen(0, 0);
+	changed &= ~ssb_gpio_outen(&ssb_bcm47xx, 0, 0);
 
 	for (b = platform.buttons; b->name; b++) {
 		struct event_t *event;
@@ -1298,10 +1298,10 @@ static void register_leds(struct led_t *l)
 		}
 	}
 
-	gpio_outen(mask, oe_mask);
-	gpio_control(mask, 0);
-	gpio_out(mask, val);
-	gpio_setintmask(mask, 0);
+	ssb_gpio_outen(&ssb_bcm47xx, mask, oe_mask);
+	ssb_gpio_control(&ssb_bcm47xx, mask, 0);
+	ssb_gpio_out(&ssb_bcm47xx, mask, val);
+	ssb_gpio_intmask(&ssb_bcm47xx, mask, 0);
 }
 
 static void unregister_leds(struct led_t *l)
@@ -1336,11 +1336,11 @@ static void led_flash(unsigned long dummy) {
 
 	mask &= ~gpiomask;
 	if (mask) {
-		u32 val = ~gpio_in();
+		u32 val = ~ssb_gpio_in(&ssb_bcm47xx, ~0);
 
-		gpio_outen(mask, mask);
-		gpio_control(mask, 0);
-		gpio_out(mask, val);
+		ssb_gpio_outen(&ssb_bcm47xx, mask, mask);
+		ssb_gpio_control(&ssb_bcm47xx, mask, 0);
+		ssb_gpio_out(&ssb_bcm47xx, mask, val);
 	}
 	if (mask || extif_blink) {
 		mod_timer(&led_timer, jiffies + FLASH_TIME);
@@ -1367,7 +1367,7 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t
 					if (led->gpio & GPIO_TYPE_EXTIF) {
 						len = sprintf(page, "%d\n", led->state);
 					} else {
-						u32 in = (gpio_in() & led->gpio ? 1 : 0);
+						u32 in = (ssb_gpio_in(&ssb_bcm47xx, ~0) & led->gpio ? 1 : 0);
 						u8 p = (led->polarity == NORMAL ? 0 : 1);
 						len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
 					}
@@ -1431,9 +1431,9 @@ static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count,
 						led->state = p ^ ((page[0] == '1') ? 1 : 0);
 						set_led_extif(led);
 					} else {
-						gpio_outen(led->gpio, led->gpio);
-						gpio_control(led->gpio, 0);
-						gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
+						ssb_gpio_outen(&ssb_bcm47xx, led->gpio, led->gpio);
+						ssb_gpio_control(&ssb_bcm47xx, led->gpio, 0);
+						ssb_gpio_out(&ssb_bcm47xx, led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
 					}
 				}
 				break;
@@ -1464,6 +1464,13 @@ static int __init diag_init(void)
 	static struct proc_dir_entry *p;
 	static struct platform_t *detected;
 
+#ifdef CONFIG_BCM47XX_SSB
+	if (bcm47xx_active_bus_type != BCM47XX_BUS_TYPE_SSB) {
+		printk(MODULE_NAME ": bcma bus is not supported.\n");
+		return -ENODEV;
+	}
+#endif
+
 	detected = platform_detect();
 	if (!detected) {
 		printk(MODULE_NAME ": Router model not detected.\n");
diff --git a/package/broadcom-diag/src/gpio.h b/package/broadcom-diag/src/gpio.h
index cd48637b2..575fd8c47 100644
--- a/package/broadcom-diag/src/gpio.h
+++ b/package/broadcom-diag/src/gpio.h
@@ -1,46 +1,12 @@
 #ifndef __DIAG_GPIO_H
 #define __DIAG_GPIO_H
 #include <linux/interrupt.h>
-
-#ifndef BCMDRIVER
-#include <linux/ssb/ssb_embedded.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
 #include <linux/gpio.h>
-#define ssb ssb_bcm47xx
-#endif
-extern struct ssb_bus ssb;
+#include <asm/mach-bcm47xx/bcm47xx.h>
 
-
-static inline u32 gpio_in(void)
-{
-	return ssb_gpio_in(&ssb, ~0);
-}
-
-static inline u32 gpio_out(u32 mask, u32 value)
-{
-	return ssb_gpio_out(&ssb, mask, value);
-}
-
-static inline u32 gpio_outen(u32 mask, u32 value)
-{
-	return ssb_gpio_outen(&ssb, mask, value);
-}
-
-static inline u32 gpio_control(u32 mask, u32 value)
-{
-	return ssb_gpio_control(&ssb, mask, value);
-}
-
-static inline u32 gpio_setintmask(u32 mask, u32 value)
-{
-	return ssb_gpio_intmask(&ssb, mask, value);
-}
-
-static inline u32 gpio_intpolarity(u32 mask, u32 value)
-{
-	return ssb_gpio_polarity(&ssb, mask, value);
-}
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)
+#define ssb_bcm47xx bcm47xx_bus.ssb
+#endif
 
 static inline u32 __ssb_write32_masked(struct ssb_device *dev, u16 offset,
 				       u32 mask, u32 value)
@@ -55,16 +21,8 @@ static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
 {
 	int irq;
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
 	irq = gpio_to_irq(0);
 	if (irq == -EINVAL) return;
-#else
-	if (ssb.chipco.dev)
-		irq = ssb_mips_irq(ssb.chipco.dev) + 2;
-	else if (ssb.extif.dev)
-		irq = ssb_mips_irq(ssb.extif.dev) + 2;
-	else return;
-#endif
 	
 	if (enabled) {
 		if (request_irq(irq, handler, IRQF_SHARED | IRQF_SAMPLE_RANDOM, "gpio", handler))
@@ -73,71 +31,10 @@ static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
 		free_irq(irq, handler);
 	}
 
-	if (ssb.chipco.dev)
-		__ssb_write32_masked(ssb.chipco.dev, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
+	if (ssb_bcm47xx.chipco.dev)
+		__ssb_write32_masked(ssb_bcm47xx.chipco.dev, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
 }
 
-#else
-
-#include <typedefs.h>
-#include <osl.h>
-#include <bcmdevs.h>
-#include <sbutils.h>
-#include <sbconfig.h>
-#include <sbchipc.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#include <sbmips.h>
-#else
-#include <hndcpu.h>
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-#define sbh bcm947xx_sbh
-#define sbh_lock bcm947xx_sbh_lock
-#endif
-
-extern void *sbh;
-extern spinlock_t sbh_lock;
-
-#define gpio_in()	sb_gpioin(sbh)
-#define gpio_out(mask, value) 	sb_gpioout(sbh, mask, ((value) & (mask)), GPIO_DRV_PRIORITY)
-#define gpio_outen(mask, value) 	sb_gpioouten(sbh, mask, value, GPIO_DRV_PRIORITY)
-#define gpio_control(mask, value) 	sb_gpiocontrol(sbh, mask, value, GPIO_DRV_PRIORITY)
-#define gpio_setintmask(mask, value) 	sb_gpiointmask(sbh, mask, value, GPIO_DRV_PRIORITY)
-#define gpio_intpolarity(mask, value) 	sb_gpiointpolarity(sbh, mask, value, GPIO_DRV_PRIORITY)
-
-static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *, struct pt_regs *))
-{
-	unsigned int coreidx;
-	unsigned long flags;
-	chipcregs_t *cc;
-	int irq;
-
-	spin_lock_irqsave(sbh_lock, flags);
-	coreidx = sb_coreidx(sbh);
-
-	irq = sb_irq(sbh) + 2;
-	if (enabled)
-		request_irq(irq, handler, SA_SHIRQ | SA_SAMPLE_RANDOM, "gpio", handler);
-	else
-		free_irq(irq, handler);
-
-	if ((cc = sb_setcore(sbh, SB_CC, 0))) {
-		int intmask;
-
-		intmask = readl(&cc->intmask);
-		if (enabled)
-			intmask |= CI_GPIO;
-		else
-			intmask &= ~CI_GPIO;
-		writel(intmask, &cc->intmask);
-	}
-	sb_setcoreidx(sbh, coreidx);
-	spin_unlock_irqrestore(sbh_lock, flags);
-}
-
-#endif /* BCMDRIVER */
-
 #define EXTIF_ADDR 0x1f000000
 #define EXTIF_UART (EXTIF_ADDR + 0x00800000)